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diff -r 8a3cbd342315 magick/animate.c
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--- a/magick/animate.c Tue Jan 10 12:11:55 2006 +0100
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+++ b/magick/animate.c Tue Jan 10 16:55:22 2006 +0100
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@@ -604,7 +604,7 @@
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/*
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Form filename for multi-part images.
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*/
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- (void) FormatMagickString(filename,MaxTextExtent,
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+ (void) FormatMagickStringNumeric(filename,MaxTextExtent,
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image_info->filename,scene);
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if (LocaleCompare(filename,image_info->filename) == 0)
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(void) FormatMagickString(filename,MaxTextExtent,"%s[%lu]",
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diff -r 8a3cbd342315 magick/blob.c
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--- a/magick/blob.c Tue Jan 10 12:11:55 2006 +0100
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+++ b/magick/blob.c Tue Jan 10 16:55:22 2006 +0100
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@@ -2120,25 +2120,8 @@
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/*
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Form filename for multi-part images.
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*/
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- (void) CopyMagickString(filename,image->filename,MaxTextExtent);
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- for (p=strchr(filename,'%'); p != (char *) NULL; p=strchr(p+1,'%'))
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- {
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- char
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- *q;
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-
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- q=p+1;
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- if (*q == '0')
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- (void) strtol(q,&q,10);
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- if ((*q == '%') || (*q == 'd') || (*q == 'o') || (*q == 'x'))
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- {
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- char
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- format[MaxTextExtent];
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-
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- (void) CopyMagickString(format,p,MaxTextExtent);
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- (void) FormatMagickString(p,MaxTextExtent,format,image->scene);
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- break;
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- }
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- }
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+ (void) FormatMagickStringNumeric(filename,MaxTextExtent,image->filename,
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+ image->scene);
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if (image_info->adjoin == MagickFalse)
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if ((image->previous != (Image *) NULL) ||
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(GetNextImageInList(image) != (Image *) NULL))
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diff -r 8a3cbd342315 magick/display.c
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--- a/magick/display.c Tue Jan 10 12:11:55 2006 +0100
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+++ b/magick/display.c Tue Jan 10 16:55:22 2006 +0100
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@@ -1984,7 +1984,7 @@
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/*
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Form filename for multi-part images.
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*/
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- (void) FormatMagickString(filename,MaxTextExtent,
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+ (void) FormatMagickStringNumeric(filename,MaxTextExtent,
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image_info->filename,scene);
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if (LocaleCompare(filename,image_info->filename) == 0)
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(void) FormatMagickString(filename,MaxTextExtent,"%s.%lu",
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diff -r 8a3cbd342315 magick/image.c
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--- a/magick/image.c Tue Jan 10 12:11:55 2006 +0100
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+++ b/magick/image.c Tue Jan 10 16:55:22 2006 +0100
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@@ -2869,25 +2869,8 @@
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/*
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Rectify multi-image file support.
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*/
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- (void) CopyMagickString(filename,image_info->filename,MaxTextExtent);
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- for (p=strchr(filename,'%'); p != (char *) NULL; p=strchr(p+1,'%'))
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- {
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- char
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- *q;
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-
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- q=(char *) p+1;
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- if (*q == '0')
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- (void) strtol(q,&q,10);
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- if ((*q == '%') || (*q == 'd') || (*q == 'o') || (*q == 'x'))
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- {
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- char
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- format[MaxTextExtent];
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-
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- (void) CopyMagickString(format,p,MaxTextExtent);
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- (void) FormatMagickString(p,MaxTextExtent,format,image_info->scene);
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- break;
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- }
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- }
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+ (void) FormatMagickStringNumeric(filename,MaxTextExtent,
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+ image_info->filename,image_info->scene);
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if ((LocaleCompare(filename,image_info->filename) != 0) &&
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(strchr(filename,'%') == (char *) NULL))
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image_info->adjoin=MagickFalse;
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diff -r 8a3cbd342315 magick/log.c
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--- a/magick/log.c Tue Jan 10 12:11:55 2006 +0100
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+++ b/magick/log.c Tue Jan 10 16:55:22 2006 +0100
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@@ -914,8 +914,8 @@
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char
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filename[MaxTextExtent];
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- (void) FormatMagickString(filename,MaxTextExtent,log_info->filename,
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- log_info->generation % log_info->generations);
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+ (void) FormatMagickStringNumeric(filename,MaxTextExtent,
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+ log_info->filename,log_info->generation % log_info->generations);
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log_info->file=fopen(filename,"w");
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if (log_info->file == (FILE *) NULL)
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{
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diff -r 8a3cbd342315 magick/montage.c
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--- a/magick/montage.c Tue Jan 10 12:11:55 2006 +0100
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+++ b/magick/montage.c Tue Jan 10 16:55:22 2006 +0100
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@@ -530,7 +530,7 @@
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/*
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Form filename for multi-part images.
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*/
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- (void) FormatMagickString(filename,MaxTextExtent,
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+ (void) FormatMagickStringNumeric(filename,MaxTextExtent,
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image_info->filename,scene);
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if (LocaleCompare(filename,image_info->filename) == 0)
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(void) FormatMagickString(filename,MaxTextExtent,"%s.%lu",
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diff -r 8a3cbd342315 magick/string.c
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--- a/magick/string.c Tue Jan 10 12:11:55 2006 +0100
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+++ b/magick/string.c Tue Jan 10 16:55:22 2006 +0100
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@@ -953,6 +953,75 @@
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return((StringInfo *) NULL);
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}
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return(string_info);
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+}
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+
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+/*
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+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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+% %
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+% %
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+% %
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+% F o r m a t M a g i c k S t r i n g N u m e r i c %
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+% %
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+% %
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+% %
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+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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+%
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+% Method FormatMagickStringNumeric formats output for a single numeric
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+% argument. It takes into account that the format string given might be
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+% untrusted user input, and returns the length of the formatted string.
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+%
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+% The format of the FormatMagickStringNumeric method is:
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+%
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+% long FormatMagickStringNumeric(char *string,const size_t length,
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+% const char *format,int value)
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+%
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+% A description of each parameter follows.
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+%
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+% o string: FormatMagickStringNumeric() returns the formatted string in this
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+% character buffer.
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+%
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+% o length: The maximum length of the string.
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+%
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+% o format: A string describing the format to use to write the numeric
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+% argument. Only the first numeric format identifier is replaced.
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+%
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+% o value: Numeric value to substitute into format string.
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+%
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+%
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+*/
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+MagickExport long FormatMagickStringNumeric(char *string,const size_t length,const char *format,int value)
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+{
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+ char
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+ *p;
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+
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|
+ (void) CopyMagickString(string, format, length);
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+
|
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+ for (p=strchr(format,'%'); p != (char *) NULL; p=strchr(p+1,'%'))
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|
+ {
|
|
|
+ char
|
|
|
+ *q;
|
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|
+
|
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|
+ q=(char *) p+1;
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|
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+ if (*q == '0')
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|
+ (void) strtol(q,&q,10);
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+ if ((*q == '%') || (*q == 'd') || (*q == 'o') || (*q == 'x'))
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+ {
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+ char
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+ c;
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+
|
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+ q++;
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+ c=*q;
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+ *q='\0';
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+ (void) snprintf(string+(p-format),length-(p-format),p,value);
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+ *q=c;
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+ (void) ConcatenateMagickString(string,q,length);
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+ if (*(q-1) == '%')
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+ p++;
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+ else
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+ break;
|
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|
+ }
|
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|
+ }
|
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|
+ return (long)strlen(string);
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|
}
|
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|
|
/*
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diff -r 8a3cbd342315 magick/string_.h
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|
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--- a/magick/string_.h Tue Jan 10 12:11:55 2006 +0100
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|
|
+++ b/magick/string_.h Tue Jan 10 16:55:22 2006 +0100
|
|
|
@@ -60,6 +60,7 @@
|
|
|
magick_attribute((format (printf,3,4))),
|
|
|
FormatMagickStringList(char *,const size_t,const char *,va_list)
|
|
|
magick_attribute((format (printf,3,0))),
|
|
|
+ FormatMagickStringNumeric(char *,const size_t,const char *,int),
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|
|
LocaleCompare(const char *,const char *),
|
|
|
LocaleNCompare(const char *,const char *,const size_t);
|
|
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|
