StrIterMustPeekAt
Description
Aborting variant of StrIterPeekAt. Alias for IterMustPeekAt; see IterMustPeekAt for the full contract.
Parameters
| Name | Direction | Description |
|---|---|---|
mi |
in | Pointer to the StrIter to peek into. |
n |
in | Signed character offset along the iteration direction (scaled by dir); positive looks ahead in iteration order, negative looks behind. |
out |
out | Destination char *; receives data[pos + dir * n]. |
Success
*out is set to the character at pos + dir * n; the cursor is not advanced; returns to the caller.
Failure
Does not return – aborts via LOG_FATAL when pos + dir * n is outside [0, length).
Usage example (Cross-references)
Usage examples (Cross-references)
- In
ProcMaps.c:111:
u32 perms = 0;
char p0 = 0, p1 = 0, p2 = 0, p3 = 0;
StrIterMustPeekAt(si, 0, &p0);
StrIterMustPeekAt(si, 1, &p1);
StrIterMustPeekAt(si, 2, &p2);- In
ProcMaps.c:112:
char p0 = 0, p1 = 0, p2 = 0, p3 = 0;
StrIterMustPeekAt(si, 0, &p0);
StrIterMustPeekAt(si, 1, &p1);
StrIterMustPeekAt(si, 2, &p2);
StrIterMustPeekAt(si, 3, &p3);- In
ProcMaps.c:113:
StrIterMustPeekAt(si, 0, &p0);
StrIterMustPeekAt(si, 1, &p1);
StrIterMustPeekAt(si, 2, &p2);
StrIterMustPeekAt(si, 3, &p3);
if (p0 == 'r')- In
ProcMaps.c:114:
StrIterMustPeekAt(si, 1, &p1);
StrIterMustPeekAt(si, 2, &p2);
StrIterMustPeekAt(si, 3, &p3);
if (p0 == 'r')
perms |= PROC_MAP_PERM_READ;
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