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mcexec shebang: delete spaces *before* path as well

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Apparently, a shebang '#! /bin/sh' should work.
Will add some ostests for these...

Change-Id: Iab8ba8e3cc7e434c98742f71fe7db3c425f08278
This commit is contained in:
Dominique Martinet
2018-10-15 16:11:07 +09:00
committed by Dominique Martinet
parent 527adedaa3
commit 1253f4d18c
1 changed files with 7 additions and 2 deletions
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9
executer/user/mcexec.c
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@@ -667,13 +667,18 @@ int load_elf_desc(char *filename, struct program_load_desc **desc_p,
fclose(fp); fclose(fp);
/* Delete new line character and any trailing spaces */ /* Delete new line character and any trailing/leading spaces */
shebang_len = strlen(shebang) - 1; shebang_len = strlen(shebang) - 1;
shebang[shebang_len] = '\0'; shebang[shebang_len] = '\0';
while (strpbrk(shebang + shebang_len - 1, " \t")) { while (shebang_len > 0 &&
strpbrk(shebang + shebang_len - 1, " \t")) {
shebang_len--; shebang_len--;
shebang[shebang_len] = '\0'; shebang[shebang_len] = '\0';
} }
while (shebang_len > 0 && strpbrk(shebang, " \t") == shebang) {
shebang_len--;
shebang++;
}
*shebang_p = shebang; *shebang_p = shebang;
return 0; return 0;
} }