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Bash-5.2 patch 10: slightly relax check for binary script files

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This commit is contained in:
Chet Ramey
2022-11-23 17:15:54 -05:00
parent fb0092fb0e
commit 6014c93f34
2 changed files with 5 additions and 6 deletions
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general.c
+4 -5
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@@ -683,21 +683,20 @@ check_binary_file (sample, sample_len)
int sample_len;
{
register int i;
int nline;
unsigned char c;
if (sample_len >= 4 && sample[0] == 0x7f && sample[1] == 'E' && sample[2] == 'L' && sample[3] == 'F')
return 1;
/* Generally we check the first line for NULs. If the first line looks like
a `#!' interpreter specifier, we just look for NULs anywhere in the
buffer. */
if (sample[0] == '#' && sample[1] == '!')
return (memchr (sample, '\0', sample_len) != NULL);
a `#!' interpreter specifier, we look for NULs in the first two lines. */
nline = (sample[0] == '#' && sample[1] == '!') ? 2 : 1;
for (i = 0; i < sample_len; i++)
{
c = sample[i];
if (c == '\n')
if (c == '\n' && --nline == 0)
return (0);
if (c == '\0')
return (1);
patchlevel.h
+1 -1
View File
@@ -25,6 +25,6 @@
regexp `^#define[ ]*PATCHLEVEL', since that's what support/mkversion.sh
looks for to find the patch level (for the sccs version string). */
#define PATCHLEVEL 9
#define PATCHLEVEL 10
#endif /* _PATCHLEVEL_H_ */