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WRaster: Stop parsing number in PPM file if invalid syntax is found

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When the function 'pm_getuint' is reading a number, it prints an error
message if it encounters a non-digit number, yet it still enters the
processing loop which will cause an invalid number to be calculated.

Signed-off-by: Christophe CURIS <christophe.curis@free.fr>
This commit is contained in:
Christophe CURIS
2021-05-16 15:47:08 +02:00
committed by Carlos R. Mafra
parent 8e47ca8e62
commit d125f80dee
1 changed files with 3 additions and 1 deletions
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4
wrlib/load_ppm.c
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@@ -85,8 +85,10 @@ int pm_getuint(FILE * const ifP)
ch = pm_getc(ifP); ch = pm_getc(ifP);
} while (ch == ' ' || ch == '\t' || ch == '\n' || ch == '\r'); } while (ch == ' ' || ch == '\t' || ch == '\n' || ch == '\r');
if (ch < '0' || ch > '9') if (ch < '0' || ch > '9') {
fprintf(stderr, "junk in file where an unsigned integer should be\n"); fprintf(stderr, "junk in file where an unsigned integer should be\n");
return -1;
}
i = 0; i = 0;
do { do {