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lib/conf.c: strip whitespace after value in config

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Closes: #407 [via git-merge-pr]
This commit is contained in:
eater 2021-06-06 15:38:33 +02:00 committed by Duncan Overbruck
parent 18416e2de8
commit 453595a822
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GPG Key ID: 335C1D17EC3D6E35
1 changed files with 9 additions and 3 deletions
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12
lib/conf.c
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@ -196,7 +196,7 @@ static const struct key {
static int
parse_option(char *buf, const char **keyp, char **valp)
{
size_t klen;
size_t klen, end;
const char *key;
char *value;
int k = 0;
@ -224,8 +224,14 @@ parse_option(char *buf, const char **keyp, char **valp)
while (isblank((unsigned char)*value))
value++;
/* eat final newline */
value[strlen(value)-1] = '\0';
end = strlen(value);
/* eat trailing spaces, end - 1 here because \0 should be set -after- the first non-space
* if end points at the actual current character, we can never make it an empty string
* because than end needs to be set to -1, but end is a unsigned type thus would result in underflow */
while (end > 0 && isspace((unsigned char)value[end - 1]))
end--;
value[end] = '\0';
/* option processed successfully */
*keyp = key;