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detect and handle backslash as part of multi-line string

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This commit is contained in:
Hinko Kocevar
2025-02-19 17:13:47 +01:00
committed by Andrew Johnson
parent 344efb14a9
commit b9b2da26fd
1 changed files with 23 additions and 3 deletions
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26
modules/libcom/src/osi/os/default/gnuReadline.c
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@@ -84,7 +84,9 @@ osdReadline (const char *prompt, struct readlineContext *context)
fputs(prompt, stdout);
fflush(stdout);
}
while ((c = getc(context->in)) != '\n') {
int backslash_seen = 0;
do {
c = getc(context->in);
if (c == EOF) {
free(line);
line = NULL;
@@ -103,8 +105,26 @@ osdReadline (const char *prompt, struct readlineContext *context)
}
line = cp;
}
line[linelen++] = c;
}
if (backslash_seen) {
/* try to handle multi-line string */
backslash_seen = 0;
if (c == '\n') {
linelen--; /* overwrite the '\' */
c = getc(context->in); /* skip current '\n' and get the next char */
if (c == EOF) {
free(line);
line = NULL;
break;
}
}
}
if (c == '\\') {
backslash_seen = 1;
}
if (c != '\n') {
line[linelen++] = c;
}
} while (c != '\n');
if (line)
line[linelen] = '\0';
}